public IEnumerator <T> GetEnumerator()
{
foreach (var node in FuncEnumerable <WeakNode> .Get(GetNodeEnumerator))
{
T current;
if (node.TryGetValue(out current))
{
yield return(current);
}
}
}
/// <summary>
/// Adds an item to the end of the enumerable.
/// </summary>
/// <remarks>This method requires the entire collection to be enumerated.
/// If adding to the end is not required, use <see cref="Insert"/>. It's faster.</remarks>
public void Add(T item)
{
Contract.Requires <ArgumentNullException>(item != null);
var node = new WeakNode(item);
var last = FuncEnumerable <WeakNode> .Get(GetNodeEnumerator).LastOrDefault();
if (last == null)
{
m_head = node;
}
else
{
last.Next = node;
}
}